text: #!/usr/bin/env python3
  # Copyright (c) 2015-2018 The NYC3 Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test transaction signing using the signrawtransaction* RPCs."""
  
  from test_framework.test_framework import NYC3TestFramework
  import decimal
  
  class RpcCreateMultiSigTest(NYC3TestFramework):
      def set_test_params(self):
          self.setup_clean_chain = True
          self.num_nodes = 3
  
      def skip_test_if_missing_module(self):
          self.skip_if_no_wallet()
  
      def get_keys(self):
          node0, node1, node2 = self.nodes
          self.add = [node1.getnewaddress() for _ in range(self.nkeys)]
          self.pub = [node1.getaddressinfo(a)["pubkey"] for a in self.add]
          self.priv = [node1.dumpprivkey(a) for a in self.add]
          self.final = node2.getnewaddress()
  
      def run_test(self):
          node0,node1,node2 = self.nodes
  
          # 50 BTC each, rest will be 25 BTC each
          node0.generate(149)
          self.sync_all()
  
          self.moved = 0
          for self.nkeys in [3,5]:
              for self.nsigs in [2,3]:
                  for self.output_type in ["bech32", "p2sh-segwit", "legacy"]:
                      self.get_keys()
                      self.do_multisig()
  
          self.checkbalances()
  
      def checkbalances(self):
          node0,node1,node2 = self.nodes
          node0.generate(100)
          self.sync_all()
  
          bal0 = node0.getbalance()
          bal1 = node1.getbalance()
          bal2 = node2.getbalance()
  
          height = node0.getblockchaininfo()["blocks"]
          assert 150 < height < 350
          total = 149*50 + (height-149-100)*25
          assert bal1 == 0
          assert bal2 == self.moved
          assert bal0+bal1+bal2 == total
  
      def do_multisig(self):
          node0,node1,node2 = self.nodes
  
          msig = node2.createmultisig(self.nsigs, self.pub, self.output_type)
          madd = msig["address"]
          mredeem = msig["redeemScript"]
          if self.output_type == 'bech32':
              assert madd[0:4] == "bcrt"  # actually a bech32 address
  
          # compare against addmultisigaddress
          msigw = node1.addmultisigaddress(self.nsigs, self.pub, None, self.output_type)
          maddw = msigw["address"]
          mredeemw = msigw["redeemScript"]
          # addmultisigiaddress and createmultisig work the same
          assert maddw == madd
          assert mredeemw == mredeem
  
          txid = node0.sendtoaddress(madd, 40)
  
          tx = node0.getrawtransaction(txid, True)
          vout = [v["n"] for v in tx["vout"] if madd in v["scriptPubKey"].get("addresses",[])]
          assert len(vout) == 1
          vout = vout[0]
          scriptPubKey = tx["vout"][vout]["scriptPubKey"]["hex"]
          value = tx["vout"][vout]["value"]
          prevtxs = [{"txid": txid, "vout": vout, "scriptPubKey": scriptPubKey, "redeemScript": mredeem, "amount": value}]
  
          node0.generate(1)
  
          outval = value - decimal.Decimal("0.00001000")
          rawtx = node2.createrawtransaction([{"txid": txid, "vout": vout}], [{self.final: outval}])
  
          rawtx2 = node2.signrawtransactionwithkey(rawtx, self.priv[0:self.nsigs-1], prevtxs)
          rawtx3 = node2.signrawtransactionwithkey(rawtx2["hex"], [self.priv[-1]], prevtxs)
  
          self.moved += outval
          tx = node0.sendrawtransaction(rawtx3["hex"], True)
          blk = node0.generate(1)[0]
          assert tx in node0.getblock(blk)["tx"]
  
          txinfo = node0.getrawtransaction(tx, True, blk)
          self.log.info("n/m=%d/%d %s size=%d vsize=%d weight=%d" % (self.nsigs, self.nkeys, self.output_type, txinfo["size"], txinfo["vsize"], txinfo["weight"]))
  
  if __name__ == '__main__':
      RpcCreateMultiSigTest().main()
  